Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The patients of PH with history of pulmonary tuberculosis and their status as a whole and with or without history of smoking as regards different variables been in concern, the difference between the latter two groups appear significant (marked in bold) as regards age, mean forced vital capacity, and mean forced expiratory volume in 1 s/forced vital capacity
